000168079 001__ 168079 000168079 005__ 20240229133556.0 000168079 0247_ $$2doi$$a10.1093/ajcn/nqab003 000168079 0247_ $$2pmid$$apmid:33740060 000168079 0247_ $$2ISSN$$a0002-9165 000168079 0247_ $$2ISSN$$a0095-9871 000168079 0247_ $$2ISSN$$a1938-3207 000168079 0247_ $$2ISSN$$a1938-3215 000168079 0247_ $$2altmetric$$aaltmetric:102138732 000168079 037__ $$aDKFZ-2021-00667 000168079 041__ $$aEnglish 000168079 082__ $$a570 000168079 1001_ $$aTsilidis, Konstantinos K$$b0 000168079 245__ $$aGenetically predicted circulating concentrations of micronutrients and risk of colorectal cancer among individuals of European descent: a Mendelian randomization study. 000168079 260__ $$aOxford$$bOxford University Press$$c2021 000168079 3367_ $$2DRIVER$$aarticle 000168079 3367_ $$2DataCite$$aOutput Types/Journal article 000168079 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1625052679_1990 000168079 3367_ $$2BibTeX$$aARTICLE 000168079 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000168079 3367_ $$00$$2EndNote$$aJournal Article 000168079 500__ $$a113(6):1490-1502 000168079 520__ $$aThe literature on associations of circulating concentrations of minerals and vitamins with risk of colorectal cancer is limited and inconsistent. Evidence from randomized controlled trials (RCTs) to support the efficacy of dietary modification or nutrient supplementation for colorectal cancer prevention is also limited.To complement observational and RCT findings, we investigated associations of genetically predicted concentrations of 11 micronutrients (β-carotene, calcium, copper, folate, iron, magnesium, phosphorus, selenium, vitamin B-6, vitamin B-12, and zinc) with colorectal cancer risk using Mendelian randomization (MR).Two-sample MR was conducted using 58,221 individuals with colorectal cancer and 67,694 controls from the Genetics and Epidemiology of Colorectal Cancer Consortium, Colorectal Cancer Transdisciplinary Study, and Colon Cancer Family Registry. Inverse variance-weighted MR analyses were performed with sensitivity analyses to assess the impact of potential violations of MR assumptions.Nominally significant associations were noted for genetically predicted iron concentration and higher risk of colon cancer [ORs per SD (ORSD): 1.08; 95% CI: 1.00, 1.17; P value = 0.05] and similarly for proximal colon cancer, and for vitamin B-12 concentration and higher risk of colorectal cancer (ORSD: 1.12; 95% CI: 1.03, 1.21; P value = 0.01) and similarly for colon cancer. A nominally significant association was also noted for genetically predicted selenium concentration and lower risk of colon cancer (ORSD: 0.98; 95% CI: 0.96, 1.00; P value = 0.05) and similarly for distal colon cancer. These associations were robust to sensitivity analyses. Nominally significant inverse associations were observed for zinc and risk of colorectal and distal colon cancers, but sensitivity analyses could not be performed. None of these findings survived correction for multiple testing. Genetically predicted concentrations of β-carotene, calcium, copper, folate, magnesium, phosphorus, and vitamin B-6 were not associated with disease risk.These results suggest possible causal associations of circulating iron and vitamin B-12 (positively) and selenium (inversely) with risk of colon cancer. 000168079 536__ $$0G:(DE-HGF)POF4-313$$a313 - Krebsrisikofaktoren und Prävention (POF4-313)$$cPOF4-313$$fPOF IV$$x0 000168079 588__ $$aDataset connected to CrossRef, PubMed, 000168079 650_7 $$2Other$$aMendelian randomization 000168079 650_7 $$2Other$$acolorectal cancer 000168079 650_7 $$2Other$$agenes 000168079 650_7 $$2Other$$anutrition 000168079 650_7 $$2Other$$asupplements 000168079 7001_ $$aPapadimitriou, Nikos$$b1 000168079 7001_ $$aDimou, Niki$$b2 000168079 7001_ $$aGill, Dipender$$b3 000168079 7001_ $$aLewis, Sarah J$$b4 000168079 7001_ $$aMartin, Richard M$$b5 000168079 7001_ $$aMurphy, Neil$$b6 000168079 7001_ $$aMarkozannes, Georgios$$b7 000168079 7001_ $$aZuber, Verena$$b8 000168079 7001_ $$aCross, Amanda J$$b9 000168079 7001_ $$aBurrows, Kimberley$$b10 000168079 7001_ $$aLopez, David S$$b11 000168079 7001_ $$aKey, Timothy J$$b12 000168079 7001_ $$aTravis, Ruth C$$b13 000168079 7001_ $$aPerez-Cornago, Aurora$$b14 000168079 7001_ $$aHunter, David J$$b15 000168079 7001_ $$avan Duijnhoven, Fränzel J B$$b16 000168079 7001_ $$aAlbanes, Demetrius$$b17 000168079 7001_ $$0P:(DE-He78)d023fdf423d87ee6c710e34dd7581fa0$$aArndt, Volker$$b18$$udkfz 000168079 7001_ $$aBerndt, Sonja I$$b19 000168079 7001_ $$aBézieau, Stéphane$$b20 000168079 7001_ $$aBishop, D Timothy$$b21 000168079 7001_ $$aBoehm, Juergen$$b22 000168079 7001_ $$0P:(DE-He78)90d5535ff896e70eed81f4a4f6f22ae2$$aBrenner, Hermann$$b23$$udkfz 000168079 7001_ $$aBurnett-Hartman, Andrea$$b24 000168079 7001_ $$aCampbell, Peter T$$b25 000168079 7001_ $$aCasey, Graham$$b26 000168079 7001_ $$aCastellví-Bel, Sergi$$b27 000168079 7001_ $$aChan, Andrew T$$b28 000168079 7001_ 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